Fair Value Measurements - Summary of Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Securities available-for-sale	$ 1,618,273	$ 1,535,807
Obligations of U.S. Government-sponsored enterprises
Assets
Securities available-for-sale	296,446	237,785
Obligations of states and political subdivisions
Assets
Securities available-for-sale	432,171	417,444
Residential mortgage-backed securities
Assets
Securities available-for-sale	700,381	659,404
Corporate Debt Securities [Member]
Assets
Securities available-for-sale	181,701	208,534
US Treasury Bill Securities [Member]
Assets
Securities available-for-sale	7,574	12,640
Recurring basis | Total Fair Value
Assets
Securities available-for-sale	1,618,273	1,535,807
Obligations of U.S. Government-sponsored enterprises	2,941	2,667
Derivatives	17,789	22,958
Total assets	1,639,003	1,561,432
Liabilities
Derivatives	16,184	21,581
Total liabilities	16,184	21,581
Recurring basis |     Obligations of U.S. Government-sponsored enterprises | Total Fair Value
Assets
Securities available-for-sale	296,446	237,785
Recurring basis | Obligations of states and political subdivisions | Total Fair Value
Assets
Securities available-for-sale	432,171	417,444
Recurring basis | Residential mortgage-backed securities | Total Fair Value
Assets
Securities available-for-sale	700,381	659,404
Recurring basis | Corporate Debt Securities [Member] | Total Fair Value
Assets
Securities available-for-sale	181,701	12,640
Recurring basis | US Treasury Bill Securities [Member] | Total Fair Value
Assets
Securities available-for-sale	7,574	208,534
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available-for-sale	0	0
Obligations of U.S. Government-sponsored enterprises	0	0
Derivatives	0	0
Total assets	0	0
Liabilities
Derivatives	0	0
Total liabilities	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) |     Obligations of U.S. Government-sponsored enterprises
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of states and political subdivisions
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential mortgage-backed securities
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | US Treasury Bill Securities [Member]
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets
Securities available-for-sale	1,618,273	1,535,807
Obligations of U.S. Government-sponsored enterprises	2,941	2,667
Derivatives	17,789	22,958
Total assets	1,639,003	1,561,432
Liabilities
Derivatives	16,184	21,581
Total liabilities	16,184	21,581
Recurring basis | Significant Other Observable Inputs (Level 2) |     Obligations of U.S. Government-sponsored enterprises
Assets
Securities available-for-sale	296,446	237,785
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
Assets
Securities available-for-sale	432,171	417,444
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities
Assets
Securities available-for-sale	700,381	659,404
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	181,701	12,640
Recurring basis | Significant Other Observable Inputs (Level 2) | US Treasury Bill Securities [Member]
Assets
Securities available-for-sale	7,574	208,534
Recurring basis | Significant Unobservable Inputs (Level 3)
Assets
Securities available-for-sale	0	0
Obligations of U.S. Government-sponsored enterprises	0	0
Derivatives	0	0
Total assets	0	0
Liabilities
Derivatives	0	0
Total liabilities	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) |     Obligations of U.S. Government-sponsored enterprises
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of states and political subdivisions
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | US Treasury Bill Securities [Member]
Assets
Securities available-for-sale	$ 0	$ 0